401911347 has 4 divisors (see below), whose sum is σ = 535881800. Its totient is φ = 267940896.

The previous prime is 401911343. The next prime is 401911369. The reversal of 401911347 is 743119104.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 401911347 - 2² = 401911343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401911343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66985222 + ... + 66985227.

It is an arithmetic number, because the mean of its divisors is an integer number (133970450).

Almost surely, 2^401911347 is an apocalyptic number.

401911347 is a deficient number, since it is larger than the sum of its proper divisors (133970453).

401911347 is a wasteful number, since it uses less digits than its factorization.

401911347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133970452.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 401911347 is about 20047.7267289835. The cubic root of 401911347 is about 737.9780125058.

The spelling of 401911347 in words is "four hundred one million, nine hundred eleven thousand, three hundred forty-seven".